<form [formGroup]="formGroup" (change)="change()">

  <nz-form-item>
    <nz-form-label [nzSpan]="5">正则表达式</nz-form-label>
    <nz-form-control [nzSpan]="12" nzErrorTip="">
      <input nz-input formControlName="regex"/>
    </nz-form-control>
  </nz-form-item>

</form>

